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GPT-5 Mini vs Grok 3 mini
Comprehensive side-by-side LLM comparison
GPT-5 Mini offers 285.3K more tokens in context window than Grok 3 mini. Grok 3 mini is $24.20 cheaper per million tokens. GPT-5 Mini supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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OpenAI
GPT-5 mini, released by OpenAI in August 2025, is a smaller variant from the GPT-5 family that inherits GPT-5's unified reasoning architecture and multimodal capabilities at a reduced inference cost. It targets high-volume production use cases requiring a balance of intelligence and response speed, offering GPT-5 capabilities for applications where full GPT-5 inference costs are a concern.
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xAI
Grok 3 mini, released by xAI alongside Grok 3 in February 2025, is a compact reasoning model from the Grok 3 family featuring RL-enhanced Think mode for extended chain-of-thought processing. It features a 131K token context window and targets STEM tasks, mathematics, and coding applications where cost-efficient reasoning with configurable depth is required.
5 months newer
Grok 3 mini
xAI
2025-02-17
GPT-5 Mini
OpenAI
2025-08
Pricing Comparison
Cost per million tokens (USD)
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GPT-5 Mini
Input:$5.00
Output:$20.00
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Grok 3 mini
Input:$0.30
Output:$0.50($24.20 cheaper)
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 Mini
1 providers
OpenAI
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Grok 3 mini
1 providers
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GPT-5 Mini
Avg Score:0.0%
Providers:1
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Grok 3 mini
Avg Score:0.0%
Providers:1